Do not complain if the originator for an asynchronous request has
gone away.

Do not output a misleading message about failing to read the UDP
packet or connection refused, if it is the user callback that fails.

Fixes #10057.

Fixes some of bug #10035.

There may be multiple <title>-tags in an html document where the
later are related to SVG.

Fixes #10020.

Fixes edge-case where the string to be formatted (m) is shorter than
the maxlen, but the formatted string (t) is longer. This caused the
truncation code to instead lengthen the string...

Fixes [PIKE-224].

The syslog functions may keep accessing the ident supplied to openlog()
by pointer with subsequent calls to syslog(). In order to not have
syslog() access random or free memory, we now keep a reference to ident
until either:

* A subsequent call to openlog()
* A call to closelog()
* System module unload/exit

Thanks to Stanislaw Klekot <pike@jarowit.net> for the report.

The nodes used by ADT.List were freed before the cleanup call of gc(1).
This could cause the gc to follow links into freed and/or reused memory.

Fixes [PIKE-227].

Fixes assertion failures for mc_complete when running the
testsuite with -d.

Likely to improve the ordo for count_memory() by avoiding to
handle the same items multiple times.

Fixes [PIKE-226].

Kevin O'Rourke authored 9 years ago and Henrik (Grubba) Grubbström committed 5 years ago

The wrapping can add lots of spaces to the end of lines to pad
them, resulting in enormous backtrace files in some circumstances.

The memory allocated for image bitmaps is now included
in the value reported by count_memory().

Fixes [PIKE-204].

Fixes [PIKE-189].

Thanks to Chris Angelico <rosuav@gmail.com> for the report.

Fixes [LysLysKOM 23258037].

In some cases the array optimizer replaced UNDEFINED values
with zeroes.

Avoid running out of stack in _decode() et al, by using
a string_builder to concatenate string fragments.

Having unexpected references to mutex keys may cause hangs and
complaints about attempting to lock mutexes recursively.

Fixes [PIKE-156].

Fixes race-condition when multiple threads call give_me_connection()
with the same url at the same time.

Fixes [PIKE-148].

It helps if you use the correct macros to handle the fd sets...

Fixes [PIKE-129].

Fixes issues assigning eg a SimpleElementNode object to
a variable declared as a SimpleNode in strict_types mode.

Fixes [PIKE-122].

Survive st being zero in bump().

Fixes [PIKE-116].

A NUL-terminator was written outside a malloced buffer. This caused
intermittent crashes after unusual use of mv().

Fixes the crash in [PIKE-90].

Fixes support for eg xterm-256color.

git-subtree-dir: vendor/libsass
git-subtree-split: 6de5050d11a1789d9922eb24e2925047ecbb499b

Unicode.normalize() in NFS mode on 8-bit strings is a noop,
so there's no need to scan though the string.

Fixes [PIKE-79].

Second try at attempting to fix [Pike-63].